Hardened teeth on the smaller sprocket of a roller chain drive are recommended if the drive ratio is four to one or greater or if the smaller sprocket has 24 teeth or less and is running at a speed of over 600 rpm.
features
Hardened teeth sprockets afford longer chain and sprocket life
Tolerances meet or exceed ANSI standards
Manufactured of high carbon steel
Precise machining and processes ensure consistent finish and high quality
Chain rows are parallel and precisely spaced to increase longevity of sprocket and chain
Bores are concentric to pitch line, minimizing run out
Interchangeable with other manufacturers’ QD bushings
Stocked Heat Treat
Hub Length
0.94 in
Length Through Bore
1.625 in
Bore Size [Max]
3.313 in
Construction Internal
Solid
Hardened Teeth
With Hardened Teeth
Chain No.
100
Chain Pitch
1.250 in
Bushing Bore [Max]
3 1/2 in
Sprocket Style
B
Material Internal Use
Carbon Steel
Outside Dia. [Min]
7.8390 in
Caliper Diameter
6.4485 in
Bushing Bore Size [Min]
0.875 in
Overall Length
1 5/8 in
Inch/Metric
Inch
Bore Type
Bushed
Chain Sprocket Pitch
1.25 in
Tooth Width
0.692 in
Bushing Series
E
Martin No.
100E18H
Material External Use
Steel
Bore Size [Min]
0.875 in
Pitch Diameter
7.199 in
Single Strand Tooth Thickness
0.692 in
Bushing Bore [Min]
0.875 in
Hub Dia.
6.24 in
Screw Size
1/2-13 NC
Pitch Dia.
7.199 in
Type
B
Hub Projection
0.94 in
Width Across Teeth
0.692 in
Material
Steel
No. of Strands Across
1
Hub O.D.
6.25 in
Outside Dia.
7.839 in
No. of Teeth
18
Bushing Type
QD
Chain Sprocket Number
100
Overall Length Less Threads
N/A
Bushing Bore Size [Max]
3.313 in
No. of Teeth Rows Strands
1
O.D.
7.839 in
Weight
8.88 LB
EAN or UPC
697950042367
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